Open the Lock (LeetCode 752)

Problem Overview

The round is one problem with one graded follow-up, the first of Zip's two phone screens in the two reports that say which. Three reports. Two candidates named the problem only by a homophone of its number; a third described it in words. Two passed; one, interviewing sick and unprepared,…

• 1 candidate-reported follow-up — the exact probes interviewers asked, with the trigger for each
• The rest of the problem statement — full requirements, constraints, and edge cases
• Approach and trade-offs — what passing candidates did, and the mistakes that sink people